Word.ws English Dictionary

rf

rf is the initialism of radio frequency.

Meaning of radio frequency

Noun

radio frequency (countable and uncountable, plural radio frequencies)

  1. (uncountable) That part of the electromagnetic spectrum, between about 3 kHz and 300 MHz, within which radio waves are transmitted.
    Synonyms:
    RF
  2. (countable) A frequency in this range.

Noun (1) capitalized: RF

RF (countable and uncountable, plural RFs)

  1. (abbreviation, initialism) Initialism of right foot.
  2. (abbreviation, initialism) Initialism of rangefinder.
  3. (abbreviation, initialism) Initialism of radio frequency.
  4. (abbreviation, initialism) Initialism of rheumatoid factor.
  5. (abbreviation, initialism, slang) Initialism of ratfuck (“dirty rick or act of sabotage or interference”).
    • If battalion staff were involved, we generally called the insertion an RF, Romeo Foxtrot, or Rat Fuck.1997, Chuck Carlock, Firebirds: A Harrowing Firsthand Account of Helicopter Combat in Vietnam, Bantam, →ISBN, page 300
    • Thinking they actually were supporting the demonstrators, I went up to them and asked why. “No, we're not supporting them. This is just an RF (short for “Rat Fuck”). We're keeping the money," they told me, laughing.2003, Guy T. Saperstein, Civil Warrior: Memoirs of a Civil Rights Attorney
  6. (abbreviation, initialism) Initialism of right field or right fielder.
  7. (abbreviation, imaging) Abbreviation of radiance field.

Proper noun capitalized: RF

RF

  1. (abbreviation, initialism) Initialism of Russian Federation.

Noun (2) capitalized: RF

RF

  1. (US) reconnaissance fighter; an unarmed fighter modified for photo-reconnaissance (prefix)

Forms of rf

pluralRFs

Origin of rf

Various etymologies.

Combination of prefix F and prefix modifier R

Words formed from rf

Questions about rf

What does rf mean?
Rf means reconnaissance fighter; an unarmed fighter modified for photo-reconnaissance (prefix).
What is rf the initialism of?
Rf is the initialism of radio frequency.
What part of speech is rf?
Rf can be a noun or a proper noun.
What is the plural of rf?
The plural of rf is RFs.

Words near rf in the dictionary

  1. reïteration
  2. reünion
  3. reünions
  4. Rešetari
  5. Reșița
  6. rf
  7. RFA
  8. RFAs
  9. RFB
  10. RFBs
  11. RFC

Source and license

Adapted from Wiktionary: rf (page history and authors); RF (page history and authors); radio frequency (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-RF.ogg.

Cite this entry: “rf.” Word.ws, https://word.ws/rf. Based on Wiktionary, CC BY-SA 4.0.